*{
    text-decoration: none;
    list-style: none;
    margin: 0;
    padding: 0;
}
#main_2{
    width: 1200px;
    margin: 0 auto;
}
.main_tu {
    width: 1200px;
    height: 383px;;
    overflow: hidden;
}
.main_2_1{
    width: 1200px;
    height: 170px;
    border-top: 2px solid black;
    margin-top: 30px;
    padding-top:25px ;
   
}
.main_2_1>img{
    display: block;
    width: 250px;
    height: 160px;
    float: left;
}
.main_2_wenzi{
    width: 900px;
    height: 160px;
    float: right;
}
.main_2_wenzi>p:first-child{
    font-size: 18px;
    margin-top: 5px;
}
.main_2_wenzi>p{
    font-size: 13px;
    margin-bottom: 10px;
}
.main_nor{
    display: block;
    width: 120px;
    height: 30px;
    border: 1px solid black;
    font-size: 18px;
    text-align: center;
    line-height: 30px;
}
.main_nor:hover{
    color:aliceblue;
    background-color: rgb(195, 22, 24);
}